Bargman 74-38-010 Reflector (Class A 3-3/16" Round Red with Adhesive Back - 2 Pack) Universal Class A round reflector Hermetically sealed to prevent moisture entry which can cloud or damage the reflector Adhesive fiber back provides instant adhesion even on rough or uneven surfaces Large 3-3/16 inch size provides extra visibility vs smaller sizes but is still small enough to fit in most locations Backed by Bargman's Limited 1 Year Warranty